10-Speed Automatic, 4WD, Alpine Umber Leather. Summit White 2026 GMC Sierra 2500HD Denali Ultimate 4D Crew Cab 4WD Duramax 6.6L V8 Turbodiesel 10-Speed Automatic Sale Price includes $500 trade credit. Must trade in a vehicle when purchasing selected vehicle to get the $500 Credit. Price also includes a $500 financing credit. Must finance through GM to get this $500 credit, OAC. All prices and offers include all rebates and incentives which the dealer retains unless otherwise specifically provided. Certain manufacturer rebates are conditional incentives and interest rate specific offer displayed is based on approved credit. See if you qualify for additional discounts or rebates. Price does not include any Dealer Installed Options or any Market Adjustments and must be paid by the purchaser. All vehicle pricing, information and availability are subject to change without notice. Prices do not include government fees which include tax, tag, title and WRA (Warranty Rights Act) fees and are the responsibility of the buyer. Out of state buyers are responsible for all state, county, city taxes and fees, as well as title/registration fees in the state that the vehicle will be registered. Dealer not responsible for errors and omissions; all offers subject to change without notice. While great effort is made to ensure the accuracy of information on this site, please confirm listing information by calling us at 931-246-4218 or by visiting us at the dealership.